Home / 11,631.28-16,043.76-7,650.94

Finding the Fourth Proportional to 11,631.28, 16,043.76 and 7,650.94

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Solution

The fourth proportional to 11,631.28, 16,043.76 and 7,650.94 is: 10,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.28 : 16,043.76 = 7,650.94 : x
  2. Step 2: Convert to fraction form
    11,631.28/16,043.76 = 7,650.94/x
  3. Step 3: Cross multiply
    11,631.28x = 16,043.76 × 7,650.94
  4. Step 4: Simplify right side
    11,631.28x = 122,749,845.13
  5. Step 5: Solve for x
    x = 122,749,845.13/11,631.28
  6. Step 6: Final answer
    x = 10,553.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.